Landis & Staefa Division CC1N7421E December 04, 1998 1/16
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421
Burner Controls LMG2...
Burner controls for the supervision of single- or two-stage forced draught gas or
gas / oil burners of small to medium capacity (typically up to 350 kW) in
intermittent operation.
The burner controls are certified to EN 230 and EN 298.
They carry the CE mark based on the directives for gas appliances and
electromagnetic compatibility.
The LMG2... and this data sheet are intended for use by OEMs which integrate the
burner controls in their products.
Burner controls of the LMG2... range are used for startup and supervision of single- or
two-stage gas or gas / oil burners in intermittent operation.
The flame is supervised with a detector electrode or UV flame detector QRA... (with
ancillary unit AGQ2...A27).
LMG21... / LMG22... in the same housing replace burner controls LGB21... / LGB22...
(refer to «Type summary») and, with the help of the respective adapters, burner controls
LFI7... and LFM1... (refer to «Ordering»).
Application-specific features
–
Detection of undervoltages
–
Air pressure supervision with function check of air pressure monitor during startup
and operation
–
Electric remote reset
–
Indication of error code and flame signal by means of LEDs in the lockout reset button
–
Precise program times thanks to digital processing of signals
Available versions
•
LMG21... / LMG22... For unlimited burner capacities (output on startup ≤ 120 kW)
Locking in the event of loss of flame during operation
•
LMG25... For burner capacities ≤ 120 kW
Three repetitions in the event of loss of flame during
operation
ISO 9001
Use
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